144444341421 has 32 divisors (see below), whose sum is σ = 225291340800. Its totient is φ = 91213017840.

The previous prime is 144444341417. The next prime is 144444341453. The reversal of 144444341421 is 124143444441.

144444341421 is a `hidden beast` number, since 1 + 44 + 44 + 434 + 142 + 1 = 666.

144444341421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144444341421 - 2² = 144444341417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144444341401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3679720 + ... + 3718766.

It is an arithmetic number, because the mean of its divisors is an integer number (7040354400).

Almost surely, 2^144444341421 is an apocalyptic number.

It is an amenable number.

144444341421 is a deficient number, since it is larger than the sum of its proper divisors (80846999379).

144444341421 is a wasteful number, since it uses less digits than its factorization.

144444341421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46286 (or 46280 counting only the distinct ones).

The product of its digits is 98304, while the sum is 36.

Adding to 144444341421 its reverse (124143444441), we get a palindrome (268587785862).

The spelling of 144444341421 in words is "one hundred forty-four billion, four hundred forty-four million, three hundred forty-one thousand, four hundred twenty-one".